WO2002005826A1 - Utilisation de cyclodextrines polysulfatees pour le traitement de l'arthrose - Google Patents
Utilisation de cyclodextrines polysulfatees pour le traitement de l'arthrose Download PDFInfo
- Publication number
- WO2002005826A1 WO2002005826A1 PCT/FR2001/002253 FR0102253W WO0205826A1 WO 2002005826 A1 WO2002005826 A1 WO 2002005826A1 FR 0102253 W FR0102253 W FR 0102253W WO 0205826 A1 WO0205826 A1 WO 0205826A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polysulfated
- cyclodextrins
- addition salts
- cyclodextrin
- aggrecans
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/715—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/02—Drugs for skeletal disorders for joint disorders, e.g. arthritis, arthrosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
Definitions
- the present invention relates to the use of polysulfated cyclodextrins and their addition salts for obtaining pharmaceutical compositions useful for the treatment of osteoarthritis.
- polysulphated cyclodextrins could reduce or block the effects of teratogenic substances on the development of the fetus (WO 9116905), that they have a tissue healing power (WO 9309790). They are also known as inhibitors of retroviruses, HIV in particular (EP 447 171) or even as inhibitors of angiogenesis (WO 8906536).
- the Applicant has now discovered that, surprisingly, the polysulfated cyclodextrins and their addition salts can be used advantageously for obtaining medicaments useful in the treatment of osteoarthritis.
- the polysulfated cyclodextrins useful according to the invention are ⁇ , ⁇ or ⁇ -polysulfated cyclodextrins.
- addition salts of polysulfated cyclodextrins non-limiting mention may be made of the sodium, calcium, potassium, ammonium salts, etc.
- Osteoarthritis is characterized anatomically by an initial and primitive destruction articular cartilage.
- cartilage renewal is a very slow process consisting of a phase of resorption by the chondrocytes, directly compensated by a phase of formation by these same chondrocytes.
- cartilage renewal can accelerate, leading to an early cartilage repair reaction followed by cellular decompensation and degradation of cartilage.
- the repair reaction results from a clonal multiplication of the chondrocytes and from their increased synthesis of the matrix components of the cartilage (D. Hamerman et al., N. Engl. J. Med., 1989, 320 (20), 1322-1330) .
- This homeostatic reaction is not adapted and depends on systemic hormones and growth factors whose secretions decrease with age.
- the resorption of cartilage is regulated by enzymes and free radicals produced by adjacent tissues, but also and above all by the chondrocyte itself.
- the resistance of cartilage and its ability to repair itself is determined by the proteoglycans of the extracellular matrix, and in particular the aggrecans.
- polysulfated cyclodextrins stimulate the synthesis of proteoglycans and more particularly of aggrecan and its aggregates by the cells of human articular cartilage.
- polysulfated cyclodextrins are all the more advantageous since these compounds, unlike other polysaccharides, have well defined structures. Their molecular weight is lower than that of polysulfated polysaccharides used in therapy such as chondroitin sulfate or chondroitin polysulfate, certain toxic effects of which after parenteral administration have been attributed to their high molecular weight.
- the polysulfated cyclodextrins are prepared by reaction of chlorosulfonic acid on the cyclodextrins according to the method described by T. Astrup. et al. (Acta Phys. Scand., 1944, 8, 215-226).
- compositions according to the invention will be presented in forms suitable for administration by the oral, parenteral, transcutaneous, nasal, rectal, perlingual route and in particular in the form of injectable preparations, tablets, sublingual tablets, glossettes, capsules, capsules, tablets, suppositories. , creams, ointments, dermal gels, etc.
- compositions according to the invention contain, in addition to an appropriate amount of polysulphated cyclodextrin, one or more inert excipients or vehicles pharmaceutically chosen in particular from diluents, lubricants, binders, disintegrating agents, absorbents, dyes, sweeteners, etc.
- - for diluents lactose, dextrose, sucrose, mannitol, sorbitol, cellulose, glycerin
- - for lubricants silica, talc, stearic acid and its magnesium and calcium salts
- polyethylene glycol, - for binders aluminum and magnesium silicate, starch , gelatin, tragacanth, methylcelmlose, carboxymethylcellulose and polyvinylpyrrolidone
- -for disintegrants agar, alginic acid and its sodium salt, effervescent mixtures.
- the useful dosage varies according to the sex, age and weight of the patient, the route of administration, the nature of the condition and any associated treatments and ranges from 50 mg to 1500 mg in one to several doses per 24 hours.
- cyclodextrin 300 mg are added to 5 ml of a solution prepared by adding one volume of chlorosulfonic acid in 6.6 volumes of pyridine at 0 ° C. The solution thus obtained is kept at 100 ° C for 5 days. After cooling, addition of 25 ml of water and then 100 ml of a 10% solution of sodium acetate in methanol, the precipitate formed is filtered and washed with methanol. The precipitate is then dissolved in water and then eluted by chromatography on a gel permeation column to yield the expected polysulfated cyclodextrin which is then lyophilized. The degree of sulfation of cyclodextrin is determined by electrophoresis or by mass spectrometry. Under these operating conditions, the sulfation of the cyclodextrins is complete.
- Human articular chondrocytes are isolated according to the methods described by W. T. Green Jr (Clin. Orthop., 1971, 75, 248-260) and K. E. Kuettner & coll. (J. Cell. Biol, 1982, 93, 743-750).
- chondrocytes are then cultured in agarose gel according to the method described by P. D. Benya et al. (Cell., 1982, 30, 215-224), and modified according to M. Cornelissen et al. (J. Tiss. Cuit. Meth., 1993, .15, 139-146) and according to G. Verbruggen et al. (Clin. Exp. Rheumatol, 1990, 8, 371-378).
- Synthesis of aggrecans it is measured by determining the incorporation of 35 S provided by a radioactive precursor, sodium sulfate Na 2 35 S0 4 . After two weeks of culture, 10 ⁇ Ci / l of the radiolabelled precursor are introduced into the culture medium for 48 hours, as well as the compounds to be tested ( ⁇ , ⁇ , ⁇ polysulfated cyclodextrins) or the reference products (chondroitin sulfate and polysulfated) at the final concentration of 2.5 ⁇ g / ml. e
- the newly synthesized S aggrecans partially accumulate in the intercellular agarose matrix or are released into the incubation medium.
- the agarose gel is broken mechanically and then digested with 3 ml of a 50 U / ml agarose solution in 0.067 M phosphate buffer at pH 6.0, in the presence of inhibitors proteinase.
- the suspension thus obtained is centrifuged, the supernatant which contains the
- the pellet containing the chondrocytes and the S aggrecans associated with them, is treated for 48 hours with 1 ml of a 4.0M guanidinium chloride solution in a 0.05M acetate buffer at pH 5.8 containing the inhibitors proteinase.
- the purpose of this operation is to extract the 35 S aggrecans associated with the cells.
- the solution obtained is centrifuged to separate the cells from the supernatant which is separated for subsequent chromatography.
- the chromatography operations of the various fractions obtained are carried out on Sephodex G25 gel in a phosphate buffer pH 6.8 containing 0.01M of Na 2 S0 4 , so as to separate the 35 S aggrecans from free Na 2 S0 4 .
- the radioactivity of each of the macromolecular eluates obtained is measured and related to the number of chondrocytes contained in the initial culture and expressed in pg of SO 4 incorporated in the aggrecans, per million chondrocytes and per hour.
- ⁇ CD ⁇ -cyclodextrinepolysulfate
- ⁇ CD ⁇ -cyclodextrinepolysulfate
- ⁇ CD ⁇ - cyclodextrinepolysulfate
- CS chondroitin sulfate
- CPS chondroitinpolysulfate
- This table shows the remarkable efficiency of polysulphated cyclodextrins, superior to that of the reference products, ie on the production of aggrecans associated with cells, or those present in the interterritorial matrix which is the consequence.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Organic Chemistry (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epidemiology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Rheumatology (AREA)
- Physical Education & Sports Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Immunology (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicinal Preparation (AREA)
Abstract
Description
Claims
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01954083A EP1301192B1 (fr) | 2000-07-17 | 2001-07-12 | Utilisation de cyclodextrines polysulfatees pour le traitement de l'arthrose |
| US10/333,226 US6930098B2 (en) | 2000-07-17 | 2001-07-12 | Use of polysulphated cyclodextrins for treating osteoarthritis |
| AU2001276437A AU2001276437A1 (en) | 2000-07-17 | 2001-07-12 | Use of polysulphated cyclodextrins for treating osteoarthritis |
| DK01954083T DK1301192T3 (da) | 2000-07-17 | 2001-07-12 | Anvendelse af polysulfaterede cyclodextriner til behandling af artrose |
| JP2002511758A JP4960568B2 (ja) | 2000-07-17 | 2001-07-12 | 変形性関節症の処置のためのポリ硫酸化シクロデキストリンの使用 |
| DE60137506T DE60137506D1 (de) | 2000-07-17 | 2001-07-12 | Verwendung von polysulfatierten cyclodextrinen zur behandlung von arthrose |
| CA002416369A CA2416369C (fr) | 2000-07-17 | 2001-07-12 | Utilisation de cyclodextrines polysulfatees pour le traitement de l'arthrose |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0009272A FR2811572B1 (fr) | 2000-07-17 | 2000-07-17 | Utilisation de cyclodextrines polysulfatees pour le traitement de l'arthrose |
| FR00/09272 | 2000-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2002005826A1 true WO2002005826A1 (fr) | 2002-01-24 |
Family
ID=8852528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2001/002253 Ceased WO2002005826A1 (fr) | 2000-07-17 | 2001-07-12 | Utilisation de cyclodextrines polysulfatees pour le traitement de l'arthrose |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US6930098B2 (fr) |
| EP (1) | EP1301192B1 (fr) |
| JP (1) | JP4960568B2 (fr) |
| AT (1) | ATE421326T1 (fr) |
| AU (1) | AU2001276437A1 (fr) |
| CA (1) | CA2416369C (fr) |
| CY (1) | CY1108980T1 (fr) |
| DE (1) | DE60137506D1 (fr) |
| DK (1) | DK1301192T3 (fr) |
| ES (1) | ES2322794T3 (fr) |
| FR (1) | FR2811572B1 (fr) |
| PT (1) | PT1301192E (fr) |
| WO (1) | WO2002005826A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010031876A1 (fr) * | 2008-09-22 | 2010-03-25 | Universiteit Gent | Polysulfates de cyclodextrine carboxyéthylés utiles comme médicaments |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2297516T3 (es) * | 2003-12-02 | 2008-05-01 | Universiteit Gent | Uso de alginato polisulfatado en matrices celulares. |
| CN102834416A (zh) | 2010-03-24 | 2012-12-19 | 阿尔卡里奥斯有限责任公司 | 可作为用于生产生物活性物质的中间体的替代环糊精衍生物 |
| ITMI20132116A1 (it) | 2013-12-18 | 2015-06-19 | Apharm Srl | Associazione di glicosamminoglicani e ciclodestrine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4247535A (en) * | 1979-11-05 | 1981-01-27 | American Cyanamid Company | Modified cyclodextrin sulfate salts as complement inhibitors |
| US4258180A (en) * | 1979-11-05 | 1981-03-24 | American Cyanamid Company | C6-Modified cyclodextrin sulfate salts as complement inhibitors |
| EP0447171A2 (fr) * | 1990-03-15 | 1991-09-18 | Tanabe Seiyaku Co., Ltd. | Polysulphate d'un dérivé de cyclodextrine et son procédé de préparation |
| WO1991016905A1 (fr) * | 1990-05-07 | 1991-11-14 | American Maize-Products Company | Procede utile pour bloquer l'effet des teratogenes sur un f×tus |
| WO1992013895A1 (fr) * | 1991-01-30 | 1992-08-20 | Hoechst Aktiengesellschaft | POLY-β-2,6-FRUCTOFURANOSANES SULFATES A FAIBLE POIDS MOLECULAIRE ET LEUR UTILISATION DANS LE TRAITEMENT DE MALADIES DEGENERATIVES DES ARTICULATIONS |
| WO1993009790A1 (fr) * | 1991-11-11 | 1993-05-27 | The Trustees Of The University Of Pennsylvania | Procedes pour inhiber les restenoses |
| EP0754460A1 (fr) * | 1995-02-07 | 1997-01-22 | Shiseido Company Limited | Agents anti-inflammatoires |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1333363C (fr) * | 1988-01-19 | 1994-12-06 | Judah Folkman | Inhibiteur de l'angiogenese contenant de la fumagilline |
| US5843920A (en) * | 1996-09-16 | 1998-12-01 | Biocell Technology, Llc | Anionic saccharides for extraction of anti-angiogenic protein from cartilage |
-
2000
- 2000-07-17 FR FR0009272A patent/FR2811572B1/fr not_active Expired - Fee Related
-
2001
- 2001-07-12 US US10/333,226 patent/US6930098B2/en not_active Expired - Fee Related
- 2001-07-12 ES ES01954083T patent/ES2322794T3/es not_active Expired - Lifetime
- 2001-07-12 JP JP2002511758A patent/JP4960568B2/ja not_active Expired - Fee Related
- 2001-07-12 DK DK01954083T patent/DK1301192T3/da active
- 2001-07-12 DE DE60137506T patent/DE60137506D1/de not_active Expired - Lifetime
- 2001-07-12 PT PT01954083T patent/PT1301192E/pt unknown
- 2001-07-12 WO PCT/FR2001/002253 patent/WO2002005826A1/fr not_active Ceased
- 2001-07-12 CA CA002416369A patent/CA2416369C/fr not_active Expired - Fee Related
- 2001-07-12 AT AT01954083T patent/ATE421326T1/de active
- 2001-07-12 AU AU2001276437A patent/AU2001276437A1/en not_active Abandoned
- 2001-07-12 EP EP01954083A patent/EP1301192B1/fr not_active Expired - Lifetime
-
2009
- 2009-04-14 CY CY20091100441T patent/CY1108980T1/el unknown
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4247535A (en) * | 1979-11-05 | 1981-01-27 | American Cyanamid Company | Modified cyclodextrin sulfate salts as complement inhibitors |
| US4258180A (en) * | 1979-11-05 | 1981-03-24 | American Cyanamid Company | C6-Modified cyclodextrin sulfate salts as complement inhibitors |
| EP0447171A2 (fr) * | 1990-03-15 | 1991-09-18 | Tanabe Seiyaku Co., Ltd. | Polysulphate d'un dérivé de cyclodextrine et son procédé de préparation |
| WO1991016905A1 (fr) * | 1990-05-07 | 1991-11-14 | American Maize-Products Company | Procede utile pour bloquer l'effet des teratogenes sur un f×tus |
| WO1992013895A1 (fr) * | 1991-01-30 | 1992-08-20 | Hoechst Aktiengesellschaft | POLY-β-2,6-FRUCTOFURANOSANES SULFATES A FAIBLE POIDS MOLECULAIRE ET LEUR UTILISATION DANS LE TRAITEMENT DE MALADIES DEGENERATIVES DES ARTICULATIONS |
| WO1993009790A1 (fr) * | 1991-11-11 | 1993-05-27 | The Trustees Of The University Of Pennsylvania | Procedes pour inhiber les restenoses |
| EP0754460A1 (fr) * | 1995-02-07 | 1997-01-22 | Shiseido Company Limited | Agents anti-inflammatoires |
Non-Patent Citations (2)
| Title |
|---|
| DA CAMARA: "Glucosamine sulfate for osteoarthrtis", ANNALS OF PHARMACOTHERAPY,XX,XX, vol. 32, no. 5, May 1998 (1998-05-01), pages 580 - 587, XP002123880, ISSN: 1060-0280 * |
| HAMERMAN D: "THE BIOLOGY OF OSTEOARTHRITIS", NEW ENGLAND JOURNAL OF MEDICINE, THE,US,MASSACHUSETTS MEDICAL SOCIETY, WALTHAM, MA, vol. 320, no. 20, 18 May 1989 (1989-05-18), pages 1322 - 1330, XP000617789, ISSN: 0028-4793 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010031876A1 (fr) * | 2008-09-22 | 2010-03-25 | Universiteit Gent | Polysulfates de cyclodextrine carboxyéthylés utiles comme médicaments |
| EA018959B1 (ru) * | 2008-09-22 | 2013-12-30 | Аркариос Б.В. | Карбоксиэтилированные полисульфаты циклодекстрина, подходящие для применения в качестве лекарственных средств |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2811572B1 (fr) | 2003-04-18 |
| EP1301192A1 (fr) | 2003-04-16 |
| ATE421326T1 (de) | 2009-02-15 |
| ES2322794T3 (es) | 2009-06-29 |
| US6930098B2 (en) | 2005-08-16 |
| US20030109493A1 (en) | 2003-06-12 |
| JP4960568B2 (ja) | 2012-06-27 |
| CY1108980T1 (el) | 2014-07-02 |
| CA2416369C (fr) | 2008-07-15 |
| FR2811572A1 (fr) | 2002-01-18 |
| CA2416369A1 (fr) | 2002-01-24 |
| AU2001276437A1 (en) | 2002-01-30 |
| JP2004503594A (ja) | 2004-02-05 |
| EP1301192B1 (fr) | 2009-01-21 |
| DE60137506D1 (de) | 2009-03-12 |
| DK1301192T3 (da) | 2009-05-18 |
| PT1301192E (pt) | 2009-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2206837C (fr) | Utilisation de sels de strontium pour l'obtention de compositions pharmaceutiques destinees au traitement de l'arthrose | |
| Fife et al. | Inhibition of proliferation and induction of apoptosis by doxycycline in cultured human osteosarcoma cells | |
| US5043328A (en) | Formulations containing unsaturated fatty acids for the synthesis of prostaglandins and hydroxy-fatty acids in biological systems | |
| CN116392503A (zh) | 海洋生物来源天然硫酸多糖在作为抗冠状病毒及所致疾病药物中的应用 | |
| US5135920A (en) | Angiostatic agents | |
| EP0304347A2 (fr) | Polysaccharides extraits, notamment, de végétaux utiles comme médicaments et additifs alimentaires | |
| WO2007111321A1 (fr) | Procédé d'analyse de polysaccharide sulfaté ou d'oligosaccharide sulfaté, composition pharmaceutique et médicament contenant un polysaccharide sulfaté ou un oligosaccharide sulfaté, procédé de production de la composition pharmaceutique et du médicament e | |
| EP1301192B1 (fr) | Utilisation de cyclodextrines polysulfatees pour le traitement de l'arthrose | |
| EP1363613A2 (fr) | Utilisation d'une rheine pour la preparation d'un medicament pour le traitement d'un taux eleve d'il-1. | |
| EP2120970A1 (fr) | Heparines comprenant au moins une liaison covalente avec la biotine ou un derive de la biotine, leur procede de preparation et leur utilisation | |
| AU2005218729A1 (en) | New therapeutic use for a group of sulphated polysaccharides | |
| WO2001072762A1 (fr) | Compositions pharmaceutiques contenant des oligosaccharides et leur preparation | |
| EP1140119B1 (fr) | Utilisation des heparINES DE BAS POIDS MOLECULAIRE pour la prevention et/ou le traitement des maladies motoneuronales | |
| JPH02223525A (ja) | 血管新生阻害剤 | |
| KR102345244B1 (ko) | 점액성다당류증의 치료에서의 오디파실의 용도 | |
| EP1582214A2 (fr) | Utilisation des chondroitine mono- et disulfates en thérapeutique | |
| EP1345612A1 (fr) | Utilisation d'heparine de faible masse moleculaire pour le traitement de l'osteoarthrose | |
| CA2573741A1 (fr) | Utilisation de sels organiques de glucosamine | |
| WO2005061549A1 (fr) | Derives carboxy-reduits du dermatan sulfate, leur preparation, leur application comme medicament et les compositions pharmaceutiques les renfermant | |
| WO2010023375A1 (fr) | Hexadecasaccharides a activite antithrombotique comprenant une liaison covalente avec une chaine amine | |
| GB2089658A (en) | Pharmaceutical composition containing (+)-catechin for treating degenerative affections of the articular cartilage | |
| JPH04334378A (ja) | 新規フタライド誘導体 | |
| FR2496462A1 (fr) | Composition pharmaceutique a base de (+)-catechine, utile notamment pour le traitement des affections degeneratives du cartilage articulaire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW |
|
| AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
| DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
| WWE | Wipo information: entry into national phase |
Ref document number: 2001954083 Country of ref document: EP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 10333226 Country of ref document: US |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2416369 Country of ref document: CA |
|
| WWP | Wipo information: published in national office |
Ref document number: 2001954083 Country of ref document: EP |
|
| REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |